Now, you have to open a passbook in a commercial bank, then register with the water company, and then pay in the bank. The water company is in Changchun Building. The commercial bank is opposite Desheng Shopping Mall. Water charges vary from region to region, but the water charges in development zones are generally around 3.5 yuan. The easiest way is to ask your next-door neighbor! A good neighbour is better than a brother in the next village.